| /* |
| * TypesTest.cpp Test the primitive data types |
| * |
| * Copyright (C) 2013 by Holger Hans Peter Freyther |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| #include "bts.h" |
| #include "tbf.h" |
| #include "gprs_debug.h" |
| #include "encoding.h" |
| #include "decoding.h" |
| |
| extern "C" { |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/msgb.h> |
| #include <osmocom/core/talloc.h> |
| #include <osmocom/core/utils.h> |
| } |
| |
| #define OSMO_ASSERT_STR_EQ(a, b) \ |
| do { \ |
| if (strcmp(a, b)) { \ |
| printf("String mismatch:\nGot:\t%s\nWant:\t%s\n", a, b); \ |
| OSMO_ASSERT(false); \ |
| } \ |
| } while (0) |
| |
| void *tall_pcu_ctx; |
| int16_t spoof_mnc = 0, spoof_mcc = 0; |
| |
| static void test_llc(void) |
| { |
| { |
| uint8_t data[LLC_MAX_LEN] = {1, 2, 3, 4, }; |
| uint8_t out; |
| gprs_llc llc; |
| llc.init(); |
| |
| OSMO_ASSERT(llc.chunk_size() == 0); |
| OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN); |
| OSMO_ASSERT(llc.frame_length() == 0); |
| |
| llc.put_frame(data, 2); |
| OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 2); |
| OSMO_ASSERT(llc.frame_length() == 2); |
| OSMO_ASSERT(llc.chunk_size() == 2); |
| OSMO_ASSERT(llc.frame[0] == 1); |
| OSMO_ASSERT(llc.frame[1] == 2); |
| |
| llc.append_frame(&data[3], 1); |
| OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 3); |
| OSMO_ASSERT(llc.frame_length() == 3); |
| OSMO_ASSERT(llc.chunk_size() == 3); |
| |
| /* consume two bytes */ |
| llc.consume(&out, 1); |
| OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 3); |
| OSMO_ASSERT(llc.frame_length() == 3); |
| OSMO_ASSERT(llc.chunk_size() == 2); |
| |
| /* check that the bytes are as we expected */ |
| OSMO_ASSERT(llc.frame[0] == 1); |
| OSMO_ASSERT(llc.frame[1] == 2); |
| OSMO_ASSERT(llc.frame[2] == 4); |
| |
| /* now fill the frame */ |
| llc.append_frame(data, llc.remaining_space() - 1); |
| OSMO_ASSERT(llc.fits_in_current_frame(1)); |
| OSMO_ASSERT(!llc.fits_in_current_frame(2)); |
| } |
| } |
| |
| static void test_rlc() |
| { |
| { |
| struct gprs_rlc_data rlc = { 0, }; |
| memset(rlc.block, 0x23, RLC_MAX_LEN); |
| uint8_t *p = rlc.prepare(20); |
| OSMO_ASSERT(p == rlc.block); |
| for (int i = 0; i < 20; ++i) |
| OSMO_ASSERT(p[i] == 0x2B); |
| for (int i = 20; i < RLC_MAX_LEN; ++i) |
| OSMO_ASSERT(p[i] == 0x0); |
| } |
| } |
| |
| static void test_rlc_v_b() |
| { |
| { |
| gprs_rlc_v_b vb; |
| vb.reset(); |
| |
| for (size_t i = 0; i < RLC_MAX_SNS; ++i) |
| OSMO_ASSERT(vb.is_invalid(i)); |
| |
| vb.mark_unacked(23); |
| OSMO_ASSERT(vb.is_unacked(23)); |
| |
| vb.mark_nacked(23); |
| OSMO_ASSERT(vb.is_nacked(23)); |
| |
| vb.mark_acked(23); |
| OSMO_ASSERT(vb.is_acked(23)); |
| |
| vb.mark_resend(23); |
| OSMO_ASSERT(vb.is_resend(23)); |
| |
| vb.mark_invalid(23); |
| OSMO_ASSERT(vb.is_invalid(23)); |
| } |
| } |
| |
| static void test_rlc_v_n() |
| { |
| { |
| gprs_rlc_v_n vn; |
| vn.reset(); |
| |
| OSMO_ASSERT(!vn.is_received(0x23)); |
| OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_INVALID); |
| |
| vn.mark_received(0x23); |
| OSMO_ASSERT(vn.is_received(0x23)); |
| OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_RECEIVED); |
| |
| vn.mark_missing(0x23); |
| OSMO_ASSERT(!vn.is_received(0x23)); |
| OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_MISSING); |
| } |
| } |
| |
| static void test_rlc_dl_ul_basic() |
| { |
| { |
| gprs_rlc_dl_window dl_win = { 0, }; |
| OSMO_ASSERT(dl_win.window_empty()); |
| OSMO_ASSERT(!dl_win.window_stalled()); |
| OSMO_ASSERT(dl_win.distance() == 0); |
| |
| dl_win.increment_send(); |
| OSMO_ASSERT(!dl_win.window_empty()); |
| OSMO_ASSERT(!dl_win.window_stalled()); |
| OSMO_ASSERT(dl_win.distance() == 1); |
| |
| for (int i = 1; i < 64; ++i) { |
| dl_win.increment_send(); |
| OSMO_ASSERT(!dl_win.window_empty()); |
| OSMO_ASSERT(dl_win.distance() == i + 1); |
| } |
| |
| OSMO_ASSERT(dl_win.distance() == 64); |
| OSMO_ASSERT(dl_win.window_stalled()); |
| |
| dl_win.raise(1); |
| OSMO_ASSERT(dl_win.distance() == 63); |
| OSMO_ASSERT(!dl_win.window_stalled()); |
| for (int i = 62; i >= 0; --i) { |
| dl_win.raise(1); |
| OSMO_ASSERT(dl_win.distance() == i); |
| } |
| |
| OSMO_ASSERT(dl_win.distance() == 0); |
| OSMO_ASSERT(dl_win.window_empty()); |
| |
| dl_win.increment_send(); |
| dl_win.increment_send(); |
| dl_win.increment_send(); |
| dl_win.increment_send(); |
| OSMO_ASSERT(dl_win.distance() == 4); |
| |
| for (int i = 0; i < 128; ++i) { |
| dl_win.increment_send(); |
| dl_win.increment_send(); |
| dl_win.raise(2); |
| OSMO_ASSERT(dl_win.distance() == 4); |
| } |
| } |
| |
| { |
| gprs_rlc_ul_window ul_win = { 0, }; |
| int count; |
| const char *rbb; |
| char win_rbb[65]; |
| uint8_t bin_rbb[8]; |
| win_rbb[64] = '\0'; |
| |
| ul_win.m_v_n.reset(); |
| |
| OSMO_ASSERT(ul_win.is_in_window(0)); |
| OSMO_ASSERT(ul_win.is_in_window(63)); |
| OSMO_ASSERT(!ul_win.is_in_window(64)); |
| |
| OSMO_ASSERT(!ul_win.m_v_n.is_received(0)); |
| |
| rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"; |
| OSMO_ASSERT(ul_win.ssn() == 0); |
| ul_win.update_rbb(win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| Encoding::encode_rbb(win_rbb, bin_rbb); |
| printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
| Decoding::extract_rbb(bin_rbb, win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| |
| /* simulate to have received 0, 1 and 5 */ |
| OSMO_ASSERT(ul_win.is_in_window(0)); |
| count = ul_win.receive_bsn(0); |
| OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
| OSMO_ASSERT(ul_win.v_q() == 1); |
| OSMO_ASSERT(ul_win.v_r() == 1); |
| OSMO_ASSERT(count == 1); |
| |
| rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR"; |
| OSMO_ASSERT(ul_win.ssn() == 1); |
| ul_win.update_rbb(win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| Encoding::encode_rbb(win_rbb, bin_rbb); |
| printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
| Decoding::extract_rbb(bin_rbb, win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| |
| OSMO_ASSERT(ul_win.is_in_window(1)); |
| count = ul_win.receive_bsn(1); |
| OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
| OSMO_ASSERT(ul_win.v_q() == 2); |
| OSMO_ASSERT(ul_win.v_r() == 2); |
| OSMO_ASSERT(count == 1); |
| |
| rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRR"; |
| OSMO_ASSERT(ul_win.ssn() == 2); |
| ul_win.update_rbb(win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| Encoding::encode_rbb(win_rbb, bin_rbb); |
| printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
| Decoding::extract_rbb(bin_rbb, win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| |
| OSMO_ASSERT(ul_win.is_in_window(5)); |
| count = ul_win.receive_bsn(5); |
| OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
| OSMO_ASSERT(ul_win.v_q() == 2); |
| OSMO_ASSERT(ul_win.v_r() == 6); |
| OSMO_ASSERT(count == 0); |
| |
| rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRRIIIR"; |
| OSMO_ASSERT(ul_win.ssn() == 6); |
| ul_win.update_rbb(win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| Encoding::encode_rbb(win_rbb, bin_rbb); |
| printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
| Decoding::extract_rbb(bin_rbb, win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| |
| OSMO_ASSERT(ul_win.is_in_window(65)); |
| OSMO_ASSERT(ul_win.is_in_window(2)); |
| OSMO_ASSERT(ul_win.m_v_n.is_received(5)); |
| count = ul_win.receive_bsn(65); |
| OSMO_ASSERT(count == 0); |
| OSMO_ASSERT(ul_win.m_v_n.is_received(5)); |
| OSMO_ASSERT(ul_win.v_q() == 2); |
| OSMO_ASSERT(ul_win.v_r() == 66); |
| |
| rbb = "IIIRIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR"; |
| OSMO_ASSERT(ul_win.ssn() == 66); |
| ul_win.update_rbb(win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| Encoding::encode_rbb(win_rbb, bin_rbb); |
| printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
| Decoding::extract_rbb(bin_rbb, win_rbb); |
| OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| |
| OSMO_ASSERT(ul_win.is_in_window(2)); |
| OSMO_ASSERT(!ul_win.is_in_window(66)); |
| count = ul_win.receive_bsn(2); |
| OSMO_ASSERT(count == 1); |
| OSMO_ASSERT(ul_win.v_q() == 3); |
| OSMO_ASSERT(ul_win.v_r() == 66); |
| |
| OSMO_ASSERT(ul_win.is_in_window(66)); |
| count = ul_win.receive_bsn(66); |
| OSMO_ASSERT(count == 0); |
| OSMO_ASSERT(ul_win.v_q() == 3); |
| OSMO_ASSERT(ul_win.v_r() == 67); |
| |
| for (int i = 3; i <= 67; ++i) { |
| ul_win.receive_bsn(i); |
| } |
| |
| OSMO_ASSERT(ul_win.v_q() == 68); |
| OSMO_ASSERT(ul_win.v_r() == 68); |
| |
| count = ul_win.receive_bsn(68); |
| OSMO_ASSERT(ul_win.v_q() == 69); |
| OSMO_ASSERT(ul_win.v_r() == 69); |
| OSMO_ASSERT(count == 1); |
| |
| /* now test the wrapping */ |
| OSMO_ASSERT(ul_win.is_in_window(4)); |
| OSMO_ASSERT(!ul_win.is_in_window(5)); |
| count = ul_win.receive_bsn(4); |
| OSMO_ASSERT(count == 0); |
| } |
| |
| { |
| uint16_t lost = 0, recv = 0; |
| char show_rbb[65]; |
| BTS dummy_bts; |
| gprs_rlc_dl_window dl_win = { 0, }; |
| |
| dl_win.m_v_b.reset(); |
| |
| OSMO_ASSERT(dl_win.window_empty()); |
| OSMO_ASSERT(!dl_win.window_stalled()); |
| OSMO_ASSERT(dl_win.distance() == 0); |
| |
| dl_win.increment_send(); |
| OSMO_ASSERT(!dl_win.window_empty()); |
| OSMO_ASSERT(!dl_win.window_stalled()); |
| OSMO_ASSERT(dl_win.distance() == 1); |
| |
| for (int i = 0; i < 35; ++i) { |
| dl_win.increment_send(); |
| OSMO_ASSERT(!dl_win.window_empty()); |
| OSMO_ASSERT(dl_win.distance() == i + 2); |
| } |
| |
| uint8_t rbb_cmp[8] = { 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff }; |
| Decoding::extract_rbb(rbb_cmp, show_rbb); |
| printf("show_rbb: %s\n", show_rbb); |
| |
| dl_win.update(&dummy_bts, show_rbb, 35, &lost, &recv); |
| OSMO_ASSERT(lost == 0); |
| OSMO_ASSERT(recv == 35); |
| |
| } |
| } |
| |
| int main(int argc, char **argv) |
| { |
| osmo_init_logging(&gprs_log_info); |
| log_set_use_color(osmo_stderr_target, 0); |
| log_set_print_filename(osmo_stderr_target, 0); |
| |
| printf("Making some basic type testing.\n"); |
| test_llc(); |
| test_rlc(); |
| test_rlc_v_b(); |
| test_rlc_v_n(); |
| test_rlc_dl_ul_basic(); |
| return EXIT_SUCCESS; |
| } |
| |
| /* |
| * stubs that should not be reached |
| */ |
| extern "C" { |
| void l1if_pdch_req() { abort(); } |
| void l1if_connect_pdch() { abort(); } |
| void l1if_close_pdch() { abort(); } |
| void l1if_open_pdch() { abort(); } |
| } |